------------------------------------------------------------------------ 2007 22 Apr - Created first version of xCore (0.1.0) - Moved SetNumberOfArguments, ToSymbol from xTensor. - Moved FoldedRule et al from xCoba. 2 May - Introduced functions LinkSymbols and UnlinkSymbol, together with the $LinkCharacter. 15 May - Reorganized welcome messages in all of xAct. 2 Jun - Added xTagSet and xTagSetDelayed. 2 Aug - Reorder setargs definitions because Mathematica 6.0 is sorting them in a different (I think wrong) way. 10 Aug - Tilde now has a third argument to colorize the tildes. - Changed version to 0.3.0 for firts release, as usual. 15 Aug * Version 0.3.0 released with date 14 August 2007. 22 Sep - $LastPackage is now private to xCore. - HoldMap is now also fully private. - Removed function IndependentComponents. - Added a few SetNumberOfArguments and Protect lines. - Added file Directories.nb to xCore.public. 27 Oct - Directory xCore added to the CVS repository. 3 Nov - Tilde changed to TildeString to avoid intereferences with the Mathematica builtin. - Added section on "too new" functions. 6 Nov * Version 0.4.0 released with date 6 November 2007. ------------------------------------------------------------------------ 2008 - Name analysis transferred from xTensor to xCore. 16 May * Version 0.5.0 released with date 16 May 2008. 30 Jun - Common General::versions message in xCore, for all packages. - Added quotations to the symbol formatted in the string formatting functions. - xTagSetDelayed now does not return a value. - Started doc file xCoreDoc.nb. 1 Jul * Version 0.6.0 released with date 30 June 2008. 8 Aug - Quotation marks kept only in ColorString. 11 Aug * Version 0.6.1 released with date 11 Aug 2008. 15 Sep - Package ExpressionManipulation is now not imported automatically. 13 Oct - ToSymbol changed to SymbolJoin. 23 Nov * Version 0.6.2 released with date 23 Nov 2008. ------------------------------------------------------------------------ 2009 31 Dec - Fixed documentation typo. ------------------------------------------------------------------------ 2010 10 Jan * Version 0.6.2 rereleased with date 10 Jan 2010. 22 Jan - Changed ToString[color] to ToString[N/@color] to avoid problems when the values of RGBColor are rational numbers. Thanks to Alessandro Stecchina for reporting this problem. 30 Sep * Version 0.6.3 released with date 30 Sep 2010. ------------------------------------------------------------------------ 2011 6 Mar - Dropped $DefaultImagingDevice and $ImagingDevices from $SystemNames. 17 Apr * Version 0.6.4 released with date 17 Apr 2011. 15 May - Added function AppendToUnevaluated. * Version 0.6.4 rereleased with date 15 May 2011. 30 Sep - Deactivated computation of $SpecialOutputSymbols, as it interferes with the syntax coloring routines of Mathematica. Thanks to Teake for reporting this. - Added function SubHead and modified xUpSet, xTagSet and xTagSetDelayed to load values on the subhead of expressions. * Version 0.6.4 rereleased with date 10 October 2011. ------------------------------------------------------------------------ 2012 21 Apr - Introduced xTension and MakexTensions to act at the beginning and at the end of the DefType and UndefType commands, as discussed with Teake. 5 May * Version 0.6.5 released. ------------------------------------------------------------------------ 2013 19 Jan - UnsortedUnion renamed DeleteDuplicates. Versions 7 and later now use the System` symbol. - Added ReportSet and ReportSetOption, replacing the messages reporting nonstandard configuration variables or options. 27 Jan * Version 0.6.6 released. 13 Apr - Added Test functions. - Improved definition of $xActDirectory to use FindFile, as suggested by Teake. 28 Apr - Added Kernel/init.m. 20 Jul - Test renamed xTest, to avoid conflicts with WorkBench. ------------------------------------------------------------------------ 2014 15 Feb. * Version 0.6.7 released. 21 Sep - Added function Overline, following Thomas, and imitating the function Underline. 28 Sep. * Version 0.6.8 released. ------------------------------------------------------------------------ 2015 16 Aug - Added function HatString as suggested by Thomas. 23 Aug. * Version 0.6.9 released. ------------------------------------------------------------------------ 2016 ------------------------------------------------------------------------ 2017 ------------------------------------------------------------------------ 2018 28 Feb - Changed an instance of TensorRank by ArrayDepth, as reported in the forum. * Version 0.6.10 released.